引起手足搐搦的血钙水平为
A血总钙浓度2mmol/L(8mg/dl)
B血总钙浓度1.75-1.88mmol/L(7-7.5mg/dl)
C游离钙浓度1.4mmol/L(5.5mg/dl)
D游离钙浓度1.5mmol/L(6.0mg/dl)
E游离钙浓度1.6mmol/L(6.5mg/dl)
A血总钙浓度2mmol/L(8mg/dl)
B血总钙浓度1.75-1.88mmol/L(7-7.5mg/dl)
C游离钙浓度1.4mmol/L(5.5mg/dl)
D游离钙浓度1.5mmol/L(6.0mg/dl)
E游离钙浓度1.6mmol/L(6.5mg/dl)